0001-shadow-clone-for-submodules.patch

From 4f4a69dcb7080cb584ae9a0693717c4247143673 Mon Sep 17 00:00:00 2001
From: microcai <microcaicai@gmail.com>
Date: Sun, 13 Oct 2024 19:55:40 +0800
Subject: [PATCH] shadow clone for submodules

---
 init-repository.pl | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/init-repository.pl b/init-repository.pl
index 3a5f26f6..aaa3a27d 100755
--- a/init-repository.pl
+++ b/init-repository.pl
@@ -65,6 +65,9 @@ Options:
         be rebased. With --no-update, the branches will be checked out, but
         their heads will not move.
 
+    --shallow
+        Creates shallow submodules.
+
     --ignore-submodules
         Set git config to ignore submodules by default when doing operations
         on the qt5 repo, such as `pull', `fetch', `diff' etc.
@@ -196,6 +199,7 @@ sub parse_arguments
     GetOptions(
         'alternates=s'      =>  \$self->{qw{ alternates        }},
         'branch'            =>  \$self->{qw{ branch            }},
+        'shallow'           =>  \$self->{qw{ shallow           }},
         'codereview-username=s' => \$self->{qw{ codereview-username }},
         'copy-objects'      =>  \$self->{qw{ detach-alternates }},
         'force|f'           =>  \$self->{qw{ force             }},
@@ -218,6 +222,10 @@ sub parse_arguments
     ) || printUsage(2);
     @ARGV && printUsage(2);
 
+    if ($self->{'shallow'} && $self->{'branch'}) {
+        die("Error: --shallow and --branch cannot be used together.\n");
+    }
+
     # Replace any double trailing slashes from end of mirror
     $self->{'mirror-url'} =~ s{//+$}{/};
 
@@ -516,13 +524,22 @@ sub git_clone_one_submodule
     }
 
     if ($do_clone) {
-        if ($branch) {
-            push @reference_args, '--branch', $branch;
+        if ($self->{shallow}) {
+            if ($mirror) {
+                $self->exe('git', 'config', "submodule.$submodule.url", $mirror);
+                push @reference_args, '--depth', '1', '--no-recommend-shallow';
+            }
+            $self->exe('git', 'config', "submodule.$submodule.shallow", 'true');
+            $self->exe('git', 'submodule', 'update', @reference_args, $submodule);
         } else {
-            push @reference_args, '--no-checkout';
+            if ($branch) {
+                push @reference_args, '--branch', $branch;
+            } else  {
+                push @reference_args, '--no-checkout';
+            }
+            $self->exe('git', 'clone', @reference_args,
+                    ($mirror ? $mirror : $url), $submodule);
         }
-        $self->exe('git', 'clone', @reference_args,
-                   ($mirror ? $mirror : $url), $submodule);
     }
 
     my $orig_cwd = getcwd();
-- 
2.47.0